Hollow article formed of flexible strip material



Dec. 12, 1939. I E; L, 0101 HOLLOW ART-1cm FORMED 0F FLEXIBLE s'mr MATERIAL Original FiIed Jan. a, 1935 QWUMM I Patented Dec. 12, 1939 2,183,475

UNITED STATES PATENT OFFICE "2,183,415 HOLLOW ARTICLE roamlnor FLEXIBLE smlr MATERIAL Edouard'Louis Diot, Neuilly-sur-Seinc, Franco Original application January 8, 1935, Serial No. 909. Divided and this application January aw, Serial No. 121,661. In France April so,

6 Claims. (01. c ao-4.5)

The present invention relates to articles of hollow form having at least one tapered or contoured portion and madeof a ribbon or strip of flexible material, paper, cardboard or the like,

of the lateral wall .of the receptacle, the turns of thispartof the winding may be arranged on the outer wall of a sleeve on which the winding has commenced with the primary turns of the ribbon 6 wound helicoidally, the successive eonvolutions fixed, for instance, glued on it. This sleeve of the said ribbon or strip being joined together. strengthens the side wall of the hollow article. The present application is a division of the co- According to the present invention, also, when pending application Serial No. 909 flied Janthe primary turns of the ribbon are thus fixed uary 8, 1935, which has become Patent 2,151,08 on a'sleeve, the said sleeve may be constituted 10 March 21, 1939. by a stamped piece having a solid bottom which 10 According to the present invention, the lateral then forms the closure' member for the small wall of the contoured part of an hollow article end of'- .the receptacle. If this article is intended of the above kind comprises helical turns of a to be filled, and-is a bottle, for instance, its strlp or ribbon of a'flexible material having corfilling is efi'ected by its large open base, which rugations in a transverse direction with refer- .can then be closed, as before py means of a 15 ence to its length, the said corrugations being bottom's'tamped and crimped. elongated on one of the longitudinal edges of According to the present invention, also, the the said strip with reference to the other longiribbon; employed for making the lateral wall of g 2 tudinal edge of the said strip and in the con-. the articles may be of a transparent or transo toured part of the said wall, the successive turns lucent material, so as to allow the material with of the said strip being joined together along which the receptacle may be subsequently filled, their whole length; the successive turns of the such as, a liquid, when the article is a bottle, to said strip are Joined together by any known be seen from the outside. means such as an adhesive material, glue or the As-already said, the successive turns or conlike provided on one part of the width of the volutions of the ribbon arejoined together, the 25 inner face of the ribbon or strip. ribbong heing provided on one part of the width In this way, the fibres of the material con-'- of itsainiier face with an adhesive material, such stituting the ribbon are not drawn out; inother as glue or the like. words, the internal texture of this ribbon is not In all cases=-the inner side of the lateral wall modified and it is possible to make hollow bodies 01' the hollow article may be provided internally 80 of conical or any desired profile, and in a simple with a suitable lining, for example, an imperand pid manner. meable lining, consisting for instance, of a film Amongst the hollow bodies which are in the or coating of parailln wax. The outer face of scope of the present invention, bodies of revoluthe same wall may; also be P v wi h 8 like tlon of truncated conical form, or the generaoatin trix of which is a curved line like the profile of It may be stated that the invention ma bottle are to be cited. I prises both the hollow articles of the kind here- At each of its ends this receptacle may be inabove specifi and the Same articles n h y closed by any suitable means. For example, its are filled with various substances, liquid or otherend of larger diameter may be provided with a wise, and sealed. In this connection, it en- 40 stamped or pressed bottom; this bottom is envisages more particularly bottles and more gaged in the receptacle to the desired extent sp y milk bottles and these fined and then it is crimped. A capsule placed on with milk. the end of the small diameter of the receptacle In the accompanying drawing, w h is iven completes the closure of the latter. This capby way of example, and does not in any way 45 sule may then be sealed in any desired manner. limit the S pe of the Present invention! The said strip or ribbon of which the lateral Figure l is a. front view, on a large scale, of wall of the article is made maybe a strip or crimped ribbon p y for the cribbon of creped material and. namely creped ture of hollow contoured bodies like those above paper. defined.

One, at least, of the ends of the lateral wall Figure 2 is a longitudinal section through the of the hollow article may comprise, at least, one said ribbon. circular turn of the strip or ribbon. Figure 3 is a front view of the same ribbon According to one particular mode of carrying as it has been deformed in the course of its on out the present invention, at one oi the ends application to the contoured part of a mandrel for faorming an article like that in Figures 4 and Figure 4 shows, on a reduced scale, an elevation of 'a paper bottle made according to the 5 invention.

Figure 5 is a vertical axial section through the said bottle.

Figure 6 shows an arrangement for forming and closing the neck of a bottle similar to the 10 preceding one.

In the various figures, the same reference numerals designate the same elements. I

Referring to Figures 1 and 2, I is a ribbon or band serving for the making of the lateral wall of hollow bodies in accordance with the invention.

This ribbon has transverse undulations or corrugations 2 which may be of any-desired amplitude, so as to enable it to be elongated by pulling on it, or rather by deforming it so as to make it take an arcuate form, as in Figure 3 by exerting, for example; a greater pull on its edge I than that exerted on its opposite edge I. With such a ribbon fixed or gripped by one of its ends on the end of the smaller diameter of a .mandrel having the shape of the article to be made,, it is possible, either by communicating a rotary movement to this mandrel, or by rotating the said ribbon about the mandrel, to wind this ribbon on the mandrel from the small base of the man- 9 drel to. its large base in such a manner as to obtalk a hollow article I of the shape shown in Figure}. shows that the said article has a'shoulder part I-I, a cylindrical part I, and

a reinforcing member at each of its ends, namely, a-reinforcing member 8' for the neck of the bottle, and another I for the bottom of the latter: each of the said reinforcing members may be made of circular turns of the strip or ribbon. when forming the narrow part of the article 40 I that is, when forming the cylindrical neck 8,

the-ribbon is wound onthe mandrel and'consequently receives merely a uniform tension over all its width. Each of its edges 3 and I under-' goes no deformatlonrelative to theother; on I the contrary, when forming the contoured part I, the edge of the ribbon I situated towards the small base of the mandrel is subiectedto less traction than the opposite edge I on" the side towards the large base of the mandrel. This edge I- I therefore undergdes an elongation relative to the edge 3. Under these conditions the corrugations 2 of the ribbon are deformed, elongated and flattened out towards the edge I. I 'he deforma: tion of the ribbon is eifected automatically, in a greater or less degree,;under the action of the variable traction to various points in its width and due to the contour of the mandrel; at each point in the .width ofithe ribbon the traction dep nds-on this contour. Ihe turns or convolu- Q- tions of .the ribbon thus automatically deformed, wind themselves fiat one upon the other, forming progressively the lateral wall of the article to be made (Figures! and 5).

As hereinabcve stated, the reinforced end part,

5" I can be made by winding the ribbon upon itself a number of times circularly instead of helically, the circularly coiled ribbon being continuous with the helically coiledribbon. I

. As shown in Figure 5, once this lateral wall is 7 made, it may be provided with a bottom It,

formed by apiece stamped from-cardboard o likematerial, the flange II of which can turned. towards the lower edge of the piece I. This edge is then compressed internally by crimplng at I! on the side wall II ()1 $116 b ttom II.

A capsule I 3 may then be placed on the neck I and, held thereon in any suitable manner, for instance, by an impervious membrane. of Cellophane or other suitable material aiiixed in any known manner.

As has been stated, according to one particular mode of carrying out the invention, the first turns of the ribbon may be fixed on a sleeve II of paper, cardboard or the like (Figure 5). The winding of the ribbon is then done and continued from 10 the end of this sleeve II which is to constitute the small base of the article until the completion of the visible side wall I, (Figure 5).

As already stated, a stamped end piece II made integral with'the sleeve It may be em'ployed for the formation of one end of the side wall I, (Figure 6) and the closing member of the corresponding end of the hollow article. The free end of the ribbon I for forming the article is fixed at a point It on this end-piece (Figure 8) so as to leave visible 9. length'of this end-piece, and the winding of the ribbon is performed as before, the various parts I, I, I, I, of the wall I being formed successively. When the winding is finished, the hollow article obtained is automatically closed at its end of smaller diameter, by the end-piece II, as above stated. It only remains,

- after having filled the bottle I to close it at its opposite end by the aid of a bottom-piece Il-II like that in Figure 5. The filling 'of the bottle I is done, of course, by reversing the bottle and introducing the liquid from the large end I. The stamped bottom II is, after the filling, fixedon the bottle I by crimping at I! the end I of the u bottle.

. 'I'o empty the sealed bottle thus obtained, it sufilces to pierce two holes I1 and II in the endpiece II, one serving for the entry of air, and the other for the discharge of the liquid.

It will be understood that the hollow articles 4 1 above described are given only by way of example.

In the drawings, It indicates an impervious lining applied to the internal face of the hollow article I, this lining being formed, for example, by 5 a layer of paraiiin wax.

This outer surface of the articles manufactured may be. as above, coated, printed, decorated etc.

Thanks to the invention, receptaclu may be s obtained 'upder particularly remarkable conditions of manufacture, which make possible the manufactm'e of such receptacles intended only to be usedonca'in the case of milk bottles, for instance, these receptaclesbeing thenthrown '3 away when their contents It'istobenoted that. espeoiallyiucaseswherethe receptacles are used forholding liquids, they havethe property of oflering a remarkable re- ,sistanceto shocks, owing to the special flexibility so of their. wall, due both to the nature of the material, paper, cardboard etc., of which the wall consists, and on the other hand to the corrugs. tions of the ribbon from whichthe wall of receptaole8ismade.

This advantage is particularly valuable where. the receptacles are filled 5 ii milk, and are subiected tb that is not always done with the gentleness desirable. It is to be understood that in the following claims, the expression "contoured portion! means any portion other than a cylindrical portion. such. as a tapered or conical portion, or a portion of any curved profile.

Having now particularly described and ascer- 1's" article having cross-sections of different sizes which comprises helical turns of a strip or ribbon of a flexible material-having corrugations on its wholewidth and-in a transverse direction with "reference to its length, the said corrugations being, in the part of the said article including cross sections of different sizes, elongated along the longitudinal edge of the said strip which is in front of the cross-section of the said article which is larger than the cross-sectionof the same article which is in front of its other longitudinal edge and with reference to the part of the same corrugations situated on the said other-longitudinal edge of the same strip, the successive helicalconvolutions of the said str'ip being wound flat upon another and partly overlapping one another along the lateral wall' of the said article from one end of the said strip to the other and joined together along their whole length.

2. As an article of manufacture, I a hollow article having cross-sections of different sizes which comprises helical turns of a strip or ribbon of a creped paper the corrugations of which are. arranged in a transverse direction with reference to its length, the said corrugations being, in the partof the said article including cross-sections of difierent sizes, elongated on the longitudinal edge of the. said strip which is in front of the cross-section of the said article which is larger than the cross-section of the same article which is in front to the part of the same corrugations situated on the other longitudinal edge of the same strip, the successive helical convolutionsof the said strip being wound flatupon another and partly overlapping one another along the lateral wall of the said article from one end of the said strip to the other and joined together along their whole length.

- 3. As an article of manufacture, a hollow' article having .cross-sections of different sizes which comprises an inner sleeve arranged at the smaller end of the lateral wall of the said article,

a strip or ribbon of a flexible material having corrugations on its whole width and in a transverse direction with reference to its length, thesai-d strip being cenieneted at one of its ends on the outer face. of the said sleeve, the following part of ,the said strip being wound in helical turns forming the lateral wall'of the said article, the corrugations of the said strip or ribbon being, in. th part of the said article including cross-sections'of different sizes, elongated on the longitudinal edge of the said strip which is in front of the -,c ross-section of the said article which is larger than the cross-section of the same article which is in fro'nt-of its other longitudinal edge and with reference to .the part of the same corrugations situated on the said other lon'gitudinal edge of the same strip, the successive helical convolutions of the said strip being wound flat upon another and partly overlapping one another along the lateral wallof the said article from one end of the said strip to the other and joined together along their whole length.

4. As an article of manufacture, a container having cross-sections of .difierent' sizes which comprises aclosing member provided with a flange arranged at the smaller end of the lateralwall of the said container, a strip or ribbon of a flexible material having corrugations on its whole tainer,

said 'strip or ribbon being woundin helical turns 'forming the lateral wall of the said article, the

transverse corrugations of the strip or ribbon being, in the part of the lateral wall of the container including cross-sections of different sizes, elongated on the longitudinal edge of the said strip which is in front of the cross-section of the said article which is larger than the cross-section of the same wall which is in front of its other longitudinal edge and with reference to the part 3 of the same, corrugations situated on the said other longitudinal edge of the same strip, the successive helical convolutions of thesaid strip being wound flat upon another and partly overlapping one another along the lateral wall of the con tainer from one end of the said strip to the other and joined together along their whole length, and the larger end of the lateral wall of the container comprising, at least, one convolution of the strip the 'pitch of which is nil. V I

5. As an article of manufacture, a closed container having cross-sections of different sizes which comprises a closing'member provided with a flange arranged at the smaller end of thelatera1 wall of the said container, a strip or ribbon of a flexible material having corrugations on its whole width and in a transverse direction with reference to its length, the saidstripbeing cemented atone of its ends on the outer face -of the flange. of the said closing member, the of the other longitudinal edge and with reference I j following part of the said strip or ribbon being width and in a transverse direction with reference to itslength, the said strip being cemented at one of its ends on the outer'faceof the flange of the woundin helical turns forming the lateral wall' of the said container, the transverse corrugations of the strip or ribbon being, in the part of the lateral wall of the container -'including cross-'scctions of different sizes, elongated on the longitudinal edge of the said strip which is in front of the'cross-section 'of the said container which is larger :than the cross-section of the same wall which is in front of its other longitudinal edge and with-reference to the part of the same corrugations situated on the said other.longitudinal edge of 'the same strip, the successive helical convolutions of the said strip being wound flat'upon another and partly overlapping one another along the lateral wall of the container from one end of the said strip to the other and joined together-along their whole length, the larger end of the lateral wall of the container comprising, at least, one convolution of the strip the pitch of which is nil, a filling material in the saidcontainer and a' closing',member arranged at the larger end of the container, the said closing member being provided with a flange turned in the direction opposite to the small end of the conthe free end of the lateral wall of the container being crimped over and set against the said flange.

I 6. As an article of manufacture, a closed con tainer having 'cr'oss-sections of different sizes which comprises a closing member provided with a flange arranged at the smaller endof the lateral wall of the said container, a strip or ribbon of paper creped in a transverse direction with reference to its length, the said strip being ce-, mented at one of its ends on the outer face of the flange of the said closing member, the following part of.the said strip or ribbon being wound in helical turns forming the lateral wall of the said container, the transverse corrugations of the strip or ribbon being, in the'part of the 4 means I lateral wall of the container including crosssections of dlflerent sizes, elongated on the longitudinal edge of the said strip which is in front of the cross-section oithe-said container which is larger than the cross-sections 0! them wall which is in front of its other longitudinal edge and with reference to the part of the same cormgations situated on the said other longitudinal edge of the same strip, the successive helical convolutions of the said strip being wound flat upon another and partly overlapping one another" along the lateral wall of the container from one end of the said strip to the other and joined together along their whole length, and the larger end of the lateral wall of the container comprising, at least, one convolution of the strip the pitch of which is nil, a filling material in the said container and a closing member arranged at the 5 larger end of the container, the said closing member being provided with a flange turned in the direction opposite to the small end of the container, the free end of the lateral wall of the container being crimped over and set against 10 the said flange.

E'DOUARD LOUIS DIOT. 

